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- [23] U.S. EPA addresses persistent, bioaccumulative, and toxic pollutants 2000, Water Environment Federation, Alexandria, VA, USA (12):
- [24] Status of Aquatic Bioassessment in U.S. EPA Region IX Environmental Monitoring and Assessment, 2000, 64 : 17 - 30
- [25] U.S. EPA underestimated TMDL costs, groups contend 2002, Water Environment Federation (14): : 14 - 16
- [26] U.S. EPA lowers reporting thresholds for PBT Chemicals Water Environment and Technology, 2000, 12 (02):
- [28] Clinton proposal would maintain U.S. EPA budget Water Environment and Technology, 2000, 12 (04):
- [30] Progressive Consumption Taxation as a Remedy for the U.S. Savings Shortfall ECONOMISTS VOICE, 2005, 2 (03):